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@ARTICLE{Stein:57530,
      author       = {Stein, O. and Rudolph, J.},
      title        = {{M}odeling and interpretation of stable carbon isotope
                      ratios of ethane in global chemical transport models},
      journal      = {Journal of Geophysical Research},
      volume       = {112},
      issn         = {0148-0227},
      address      = {Washington, DC},
      publisher    = {Union},
      reportid     = {PreJuSER-57530},
      pages        = {1 - 18},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Model calculations with two global 3D-CTMs (GISS and
                      MOZART-2) in which we introduced ethane stable carbon
                      isotopic ratios were performed. In both models, emission
                      inventories based on the EDGAR database are used for VOC
                      emissions. We considered source specific isotope
                      fractionations and included global emissions from C3 and C4
                      plants which differ significantly in isotope ratio.
                      Comparison of the model results with observation strongly
                      indicates that the EDGAR emission inventory underestimates
                      global ethane emissions by a factor of approximately 1.5. On
                      the basis of the latitude-dependent differences between
                      model predictions and the atmospheric observations of ethane
                      reported by Rudolph (1995), estimates of magnitude and
                      latitude range of sources missing in current emission
                      inventories are made. However, the concentration data alone
                      provide only limited constraints on the geographical
                      distribution and only indirect information about the type of
                      the missing sources. Isotope ratio studies can be very
                      valuable to obtain additional insight. To study the
                      dependence between the geographical distribution of the
                      emissions and atmospheric ethane concentrations and isotope
                      ratios, MOZART-2 model calculations were made where all
                      emissions are concentrated in latitude bands as well as in
                      specified regions. Two regimes can be distinguished on a
                      global scale: In the source latitude band, dilution with
                      background air explains most of the calculated concentration
                      variation, while at latitudes farther away from the sources,
                      chemical loss is the dominating process.},
      keywords     = {J (WoSType)},
      cin          = {ICG-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB791},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000248421500005},
      doi          = {10.1029/2006JD008062},
      url          = {https://juser.fz-juelich.de/record/57530},
}